OpenWRT
SERIAL
29/08/2026
Firewall4 and /etc/config/firewall on OpenWrt
Understand OpenWrt 22.03+ firewall4/nftables configuration, zones, forwardings, rules, redirects, IP sets, and includes.
⚡ 5 min read
Read articleUnderstand OpenWrt 22.03+ firewall4/nftables configuration, zones, forwardings, rules, redirects, IP sets, and includes.
Prepare multiple WAN connections on OpenWrt with mwan3-nft, including version requirements, interfaces, metrics, and failover testing.